IL83965A0 - Cordless communications system - Google Patents

Cordless communications system

Info

Publication number: IL83965A0
Authority: IL; Israel
Prior art keywords: communications system; cordless communications; cordless; communications
Prior art date: 1986-10-01

Application number

IL83965A

Original Assignee

Dataproducts New England Inc

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1986-10-01

Filing date

1987-09-21

Publication date

1988-02-29

1987-09-21 Application filed by Dataproducts New England Inc filed Critical Dataproducts New England Inc

1988-02-29 Publication of IL83965A0 publication Critical patent/IL83965A0/en

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
- H04B5/20—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by the transmission technique; characterised by the transmission medium
- H04B5/24—Inductive coupling
- H04B5/26—Inductive coupling using coils
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
- H04B5/40—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by components specially adapted for near-field transmission
- H04B5/48—Transceivers

Landscapes

Engineering & Computer Science (AREA)
Computer Networks & Wireless Communication (AREA)
Signal Processing (AREA)
Mobile Radio Communication Systems (AREA)
Near-Field Transmission Systems (AREA)

IL83965A 1986-10-01 1987-09-21 Cordless communications system IL83965A0 (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US06/914,080 US4747158A (en)	1985-01-22	1986-10-01	Cordless communications system

Publications (1)

Publication Number	Publication Date
IL83965A0 true IL83965A0 (en)	1988-02-29

Family

ID=25433891

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IL83965A IL83965A0 (en)	1986-10-01	1987-09-21	Cordless communications system

Country Status (3)

Country	Link
US (1)	US4747158A (en)
GB (1)	GB2197160A (en)
IL (1)	IL83965A0 (en)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5345473A (en) *	1987-01-22	1994-09-06	Outokumpu Oy	Apparatus for providing two-way communication in underground facilities
US4879755A (en) *	1987-05-29	1989-11-07	Stolar, Inc.	Medium frequency mine communication system
US5093929A (en) *	1987-05-29	1992-03-03	Stolar, Inc.	Medium frequency mine communication system
US4903298A (en) *	1988-07-27	1990-02-20	Sunstrand Data Control, Inc.	System for providing encryption and decryption of voice and data transmissions to and from an aircraft
US4980926A (en) *	1989-01-05	1990-12-25	Noetzel Walter R	Voice communication unit
GB8926505D0 (en) *	1989-11-23	1990-01-10	Woodbridge Marketing Limited	Method and apparatus for transmitting signals
US5084864A (en) *	1990-05-14	1992-01-28	The Boeing Company	Broadband, inductively coupled, duplex, rf transmission system
US5274666A (en) *	1991-10-16	1993-12-28	Telephonics Corporation	Wireless communication system
US5437057A (en) *	1992-12-03	1995-07-25	Xerox Corporation	Wireless communications using near field coupling
EP0872032B1 (en) *	1995-05-18	2003-11-26	Aura Communications, Inc.	Short-range magnetic communication system
US5982764A (en) *	1995-05-18	1999-11-09	Aura Communications, Inc.	Time-multiplexed short-range magnetic communications
US5912925A (en)	1995-05-18	1999-06-15	Aura Communications, Inc.	Diversity circuit for magnetic communication system
US5966641A (en) *	1996-11-01	1999-10-12	Plantronics, Inc.	Aerial arrays for inductive communications systems
US6134420A (en) *	1996-11-01	2000-10-17	Plantronics, Inc.	Vector measuring aerial arrays for magnetic induction communication systems
US6061030A (en) *	1996-11-01	2000-05-09	Plantronics, Inc.	Aerial arrays for magnetic induction communication systems having limited power supplies
US6154204A (en) *	1998-01-21	2000-11-28	Evolve Products, Inc.	Tap antenna unit
US6223062B1 (en) *	1998-05-15	2001-04-24	Northrop Grumann Corporation	Communications interface adapter
SE514773C2 (en) *	1998-09-28	2001-04-23	Allgon Ab	Radio communication unit and antenna system
US6825620B2 (en)	1999-06-21	2004-11-30	Access Business Group International Llc	Inductively coupled ballast circuit
US7612528B2 (en)	1999-06-21	2009-11-03	Access Business Group International Llc	Vehicle interface
US7385357B2 (en) *	1999-06-21	2008-06-10	Access Business Group International Llc	Inductively coupled ballast circuit
US7126450B2 (en) *	1999-06-21	2006-10-24	Access Business Group International Llc	Inductively powered apparatus
AU781155B2 (en) *	1999-11-29	2005-05-12	Commonwealth Scientific And Industrial Research Organisation	A communications system
EP1234387B1 (en) *	1999-11-29	2011-09-28	Commonwealth Scientific And Industrial Research Organisation	A communications system
US7142811B2 (en) *	2001-03-16	2006-11-28	Aura Communications Technology, Inc.	Wireless communication over a transducer device
US7532901B1 (en)	2001-03-16	2009-05-12	Radeum, Inc.	Methods and apparatus to detect location and orientation in an inductive system
JP2003324383A (en) *	2002-05-07	2003-11-14	Kddi Corp	Repeater device for wireless system
US7462951B1 (en)	2004-08-11	2008-12-09	Access Business Group International Llc	Portable inductive power station
US7408324B2 (en) *	2004-10-27	2008-08-05	Access Business Group International Llc	Implement rack and system for energizing implements
US11581918B2 (en) *	2007-08-08	2023-02-14	Freelinc Technologies Inc.	Near field communications system having enhanced security
AU2008304207A1 (en) *	2007-09-26	2009-04-02	Radeum, Inc. Dba Freelinc	System and method for near field communications having local security
US8457547B2 (en) *	2008-04-28	2013-06-04	Cochlear Limited	Magnetic induction signal repeater

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2419833A (en) *	1945-12-12	1947-04-29	Harlan E Grimes	Antenna arrangement for induction communication systems
US2510066A (en) *	1946-01-16	1950-06-06	Standard Telephones Cables Ltd	Vehicle communication system
US2980793A (en) *	1956-06-11	1961-04-18	Electronic Safety Engineering	Restricted range radio transmitting system
NL226359A (en) *	1957-04-02
GB873983A (en) *	1957-12-31	1961-08-02	Tannoy Ltd	Improvements in inductive communication systems
US3657652A (en) *	1969-12-17	1972-04-18	Itt	Inter-compartment coupling device
US3803366A (en) *	1971-12-30	1974-04-09	Kokusai Electric Co Ltd	Duplex communication system using plurality of hand sets
GB1485156A (en) *	1974-08-07	1977-09-08	Coal Ind	Radiating line telecommunication systems
US4117271A (en) *	1977-01-10	1978-09-26	The United States Of America As Represented By The Secretary Of The Navy	Inductive communication system
US4136338A (en) *	1977-03-08	1979-01-23	James D. Pauls & Associates, Ltd.	Perimeter alarm apparatus
JPS58134545A (en) *	1982-02-04	1983-08-10	Nec Corp	Service channel signal transmitting system
US4584707A (en) *	1985-01-22	1986-04-22	Dataproducts New England, Inc.	Cordless communications system

1986
- 1986-10-01 US US06/914,080 patent/US4747158A/en not_active Expired - Fee Related
1987
- 1987-09-17 GB GB08721866A patent/GB2197160A/en not_active Withdrawn
- 1987-09-21 IL IL83965A patent/IL83965A0/en unknown

Also Published As

Publication number	Publication date
GB8721866D0 (en)	1987-10-21
US4747158A (en)	1988-05-24
GB2197160A (en)	1988-05-11

Publication	Publication Date	Title
IL83965A0 (en)	1988-02-29	Cordless communications system
GB2170077B (en)	1989-10-25	Cordless communications system
GB2193861B (en)	1990-05-23	Communications system
GB8725543D0 (en)	1987-12-02	Communications system
KR910002356B1 (en)	1991-04-20	Radio telephone system
GB8628497D0 (en)	1987-01-07	Communication system
GB8623763D0 (en)	1986-11-05	Communication system
GB2214754B (en)	1990-07-11	Communication interface
GB8724179D0 (en)	1987-11-18	Telephone system
EP0243899A3 (en)	1989-07-12	Cordless telephone system
EP0248351A3 (en)	1989-02-01	Cordless telephone system
EP0264092A3 (en)	1988-10-26	Telephone system
KR900009145B1 (en)	1990-12-22	Cordless phone system
GB2196211B (en)	1990-07-04	Communications system
GB8611526D0 (en)	1986-06-18	Communication handsets
GB8604052D0 (en)	1986-03-26	Communication system
GB2199212B (en)	1990-02-14	Telephone
GB8719822D0 (en)	1987-09-30	Radio communications
GB8813681D0 (en)	1988-07-27	Telephone system
AU97584S (en)	1987-08-27	Handset
AU97478S (en)	1987-08-13	Handset
CA56940S (en)	1986-09-16	Telephone
CA56536S (en)	1986-06-30	Telephone
CA56938S (en)	1986-09-16	Telephone
GB8627093D0 (en)	1986-12-10	Communications systems